Joel lives near the beach. One day he sees that the tide is much lower than he's ever seen before. The high tide is higher than he's seen before. Two weeks later, he notices that there is not much difference between low and high tide.

In paragraph, tell what types of tides Joel observed. Tell how the positions of the sun, moon, and Earth can change the types of the tides.

Ascientist wants to know how individual lions within a pride interact with each other in their own environment. to do this, the scientist sedates and tags all of the lions within a pride. then, he places several remotely-controlled video cameras near the lions' den and performs an observational field study. he collects continuous video footage over the span of one year, analyzes the video, and then forms conclusions based on his observations.